bluepill: Enable stm32's USART2 for the board and map it to UART1 tinygo's device

ofauchon · deadprogram · commit 490e377bba01 · 2020-09-17T06:26:57.000+02:00
diff --git a/src/machine/board_bluepill.go b/src/machine/board_bluepill.go
@@ -65,11 +65,15 @@ var (
 		Buffer: NewRingBuffer(),
 		Bus:    stm32.USART1,
 	}
-	UART1 = &UART0
+	UART1 = UART{
+		Buffer: NewRingBuffer(),
+		Bus:    stm32.USART2,
+	}
 )
 
 func init() {
 	UART0.Interrupt = interrupt.New(stm32.IRQ_USART1, UART0.handleInterrupt)
+	UART1.Interrupt = interrupt.New(stm32.IRQ_USART2, UART1.handleInterrupt)
 }
 
 // SPI pins

Original file line number	Diff line number	Diff line change
`@@ -65,11 +65,15 @@ var (`
`65`	`65`	`Buffer: NewRingBuffer(),`
`66`	`66`	`Bus: stm32.USART1,`
`67`	`67`	`}`
`68`		`- UART1 = &UART0`
	`68`	`+ UART1 = UART{`
	`69`	`+ Buffer: NewRingBuffer(),`
	`70`	`+ Bus: stm32.USART2,`
	`71`	`+ }`
`69`	`72`	`)`
`70`	`73`
`71`	`74`	`func init() {`
`72`	`75`	`UART0.Interrupt = interrupt.New(stm32.IRQ_USART1, UART0.handleInterrupt)`
	`76`	`+ UART1.Interrupt = interrupt.New(stm32.IRQ_USART2, UART1.handleInterrupt)`
`73`	`77`	`}`
`74`	`78`
`75`	`79`	`// SPI pins`